:root {
  --header-height: 76px;
  --gutter: clamp(22px, 4vw, 64px);
  --lws-navy: #10366d;
  --lws-blue: #2677b9;
  --lws-paper: #f4f7fa;
}

html { background: #fff; }
html.intro-armed { overflow: hidden; }
body { margin: 0; background: #fff; color: #17385f; }

.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr) max-content;
  align-items: center;
  gap: clamp(18px, 2.6vw, 44px);
  width: 100%;
  height: var(--header-height);
  padding: 0 var(--gutter);
  border-bottom: 1px solid #e4eaf1;
  background: rgba(255, 255, 255, .98);
  color: var(--lws-navy);
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-width: max-content;
  color: var(--lws-navy);
  font-size: 16px;
  line-height: 1;
  letter-spacing: .025em;
}
.site-brand img { display: block; width: 36px; height: 36px; object-fit: contain; }
.site-brand .brand-cn { color: var(--lws-navy); font-size: 17px; font-weight: 800; }
.site-brand .brand-separator { color: #90a3b9; font-size: 14px; }
.site-brand .brand-en { color: #416283; font-size: 12px; font-weight: 740; letter-spacing: .09em; }

.primary-nav { display: flex; align-items: center; justify-content: center; gap: clamp(14px, 1.65vw, 30px); min-width: 0; }
.primary-nav a { display: inline-flex; min-height: 44px; align-items: center; color: #244b75; font-size: 15px; font-weight: 650; white-space: nowrap; transition: color .18s ease; }
.primary-nav a:hover { color: var(--lws-blue); }
.header-actions { display: flex; align-items: center; gap: clamp(10px, 1.2vw, 20px); }
.language-toggle { display: inline-grid; min-width: 42px; min-height: 42px; place-items: center; border: 1px solid #c5d4e3; background: #fff; color: var(--lws-navy); font-size: 12px; font-weight: 800; letter-spacing: .04em; cursor: pointer; }
.header-phone { display: inline-flex; align-items: baseline; gap: 8px; color: #58728d; font-size: 12px; font-weight: 650; white-space: nowrap; }
.header-phone strong { color: var(--lws-navy); font-size: 16px; letter-spacing: .025em; }
.menu-toggle { display: none; }
.mobile-nav-panel { display: none; }

.showcase { display: flex; min-height: 0; flex-direction: column; overflow: visible; background: #fff; color: var(--lws-navy); }
.showcase-stage { position: relative; width: 100%; height: calc(100svh - var(--header-height) - 72px); min-height: 440px; overflow: visible; background: #eaf0f6; }
.showcase-photo {
  position: absolute;
  z-index: 0;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #eaf0f6;
  color: inherit;
  touch-action: pan-y;
  -webkit-touch-callout: none;
  -webkit-user-drag: none;
  user-select: none;
}
.showcase-photo img { position: absolute; inset: 0; display: block; width: 100%; height: 100%; object-fit: cover; object-position: center; opacity: 1; transition: none; }
.showcase-photo img { -webkit-user-drag: none; user-select: none; }
.cover-copyright { position: absolute; z-index: 3; right: clamp(18px, 2vw, 30px); bottom: clamp(14px, 1.8vw, 26px); display: none; padding: 5px 9px; border-radius: 2px; background: rgba(8, 37, 79, .82); color: rgba(255,255,255,.97); font-size: 16px; font-weight: 560; line-height: 1.35; letter-spacing: .035em; white-space: nowrap; text-shadow: 0 1px 2px rgba(0,0,0,.35); pointer-events: none; }
.showcase-photo:focus-visible { outline: 3px solid #78b9e5; outline-offset: -4px; }

.slide-arrow-button { position: absolute; z-index: 5; top: 50%; display: grid; width: 56px; height: 56px; place-items: center; transform: translateY(-50%); border: 1px solid rgba(255,255,255,.72); border-radius: 50%; background: rgba(16,54,109,.74); color: #fff; font-size: 25px; line-height: 1; cursor: pointer; transition: background .2s ease, border-color .2s ease, opacity .2s ease; }
.slide-arrow-prev { left: 24px; }
.slide-arrow-next { right: 24px; }
.slide-arrow-button:hover:not(:disabled) { border-color: #fff; background: rgba(16,54,109,.94); }
.slide-arrow-button:disabled { opacity: .44; cursor: default; }
.slide-footer { position: relative; inset: auto; display: flex; min-height: 72px; align-items: center; justify-content: center; padding: 10px var(--gutter); background: #fff; }
.slide-indexes { display: grid; grid-template-columns: repeat(8, 42px); gap: 3px; padding: 0; border: 0; background: transparent; }
.slide-index { display: grid; min-width: 42px; min-height: 44px; place-items: center; padding: 0; border: 0; border-bottom: 2px solid transparent; background: #fff; color: #71859b; font-size: 13px; font-weight: 740; letter-spacing: .035em; cursor: pointer; }
.slide-index:hover { background: #f5f8fb; color: var(--lws-navy); }
.slide-index[aria-current="true"] { border-bottom-color: var(--lws-blue); color: var(--lws-navy); }
.slide-arrow-button:focus-visible, .slide-index:focus-visible, .button:focus-visible, .language-toggle:focus-visible, .menu-toggle:focus-visible, .primary-nav a:focus-visible { outline: 2px solid #4b97d1; outline-offset: 3px; }
.legal-strip { display: none !important; }

.below-hero-brand { padding: clamp(76px, 9vw, 132px) var(--gutter) clamp(66px, 8vw, 112px); background: var(--lws-paper); color: var(--lws-navy); text-align: center; }
.below-hero-brand > * { max-width: 940px; margin-right: auto; margin-left: auto; }
.below-brand-kicker { margin-top: 0; margin-bottom: 21px; color: #4381b5; font-size: 13px; font-weight: 780; letter-spacing: .14em; }
.below-hero-brand h1 { margin-top: 0; margin-bottom: 10px; color: var(--lws-navy); font-size: clamp(48px, 6.4vw, 82px); font-weight: 570; line-height: 1.15; letter-spacing: .015em; }
.below-brand-slogan { margin-top: 0; margin-bottom: 22px; color: #3d79ad; font-size: clamp(24px, 3vw, 38px); font-weight: 660; line-height: 1.4; letter-spacing: .04em; }
.below-brand-description { margin-top: 0; margin-bottom: 0; color: #4f6983; font-size: clamp(16px, 1.3vw, 19px); line-height: 1.9; }
.below-brand-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 29px; }
.below-brand-actions .button { min-height: 48px; padding: 0 22px; border: 1px solid #9bb3ca; font-size: 15px; font-weight: 720; letter-spacing: .035em; transition: background .18s ease, color .18s ease, border-color .18s ease; }
.below-brand-actions .button-primary { border-color: var(--lws-navy); background: var(--lws-navy); color: #fff; }
.below-brand-actions .button-primary:hover { border-color: #245b94; background: #245b94; }
.below-brand-actions .button-quiet { background: #fff; color: var(--lws-navy); }
.below-brand-actions .button-quiet:hover { border-color: var(--lws-navy); background: #edf4fa; }

.site-footer { background: #10366d; }
.site-footer .site-brand { color: #fff; }
.site-footer .site-brand .brand-cn, .site-footer .site-brand .brand-en { color: #fff; }
.site-footer .site-brand .brand-separator { color: #9bbbd8; }
.site-footer .site-brand img { width: 28px; height: 28px; }
.site-footer > small a { color: inherit; }

.brand-intro { position: fixed; z-index: 1000; inset: 0; display: none; place-items: center; overflow: hidden; background: #fff; color: var(--lws-navy); cursor: pointer; }
.brand-intro[hidden] { display: none !important; }
.intro-armed .brand-intro:not([hidden]) { display: grid; }
.intro-lockup { display: flex; flex-direction: column; align-items: center; gap: 25.5px; width: max-content; }
.intro-lockup img { display: block; width: clamp(168px, 21vw, 234px); height: auto; object-fit: contain; }
.intro-name { display: block; height: clamp(48.3px, 5.175vw, 62.1px); color: var(--lws-navy); line-height: 0; }
.intro-name svg { display: block; width: auto; height: 100%; overflow: visible; }

@media (max-width: 1680px) {
  body[data-lang="en"] .site-header { grid-template-columns: minmax(0, 1fr) auto auto; }
  body[data-lang="en"] .primary-nav { display: none; }
  body[data-lang="en"] .menu-toggle { display: flex; grid-column: 2; grid-row: 1; justify-self: center; width: 46px; height: 46px; flex-direction: column; align-items: center; justify-content: center; gap: 5px; border: 1px solid #cad7e4; background: #fff; color: var(--lws-navy); cursor: pointer; }
  body[data-lang="en"] .menu-toggle span { width: 18px; height: 2px; background: currentColor; }
  body[data-lang="en"] .header-actions { grid-column: 3; }
  body[data-lang="en"] .mobile-nav-panel:not([hidden]) { position: absolute; top: 100%; right: 0; left: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; padding: 10px var(--gutter) 15px; border-bottom: 1px solid #dfe7ef; background: #fff; box-shadow: 0 14px 26px rgba(14, 48, 84, .12); }
  body[data-lang="en"] .mobile-nav-panel a { display: flex; min-height: 48px; align-items: center; padding: 0 12px; border: 1px solid #e6edf3; color: var(--lws-navy); font-size: 15px; font-weight: 650; }
}
@media (max-width: 1440px) {
  .site-header { grid-template-columns: minmax(0, 1fr) auto auto; gap: 15px; }
  .primary-nav { display: none; }
  .menu-toggle { display: flex; grid-column: 2; grid-row: 1; justify-self: center; width: 46px; height: 46px; flex-direction: column; align-items: center; justify-content: center; gap: 5px; border: 1px solid #cad7e4; background: #fff; color: var(--lws-navy); cursor: pointer; }
  .menu-toggle span { width: 18px; height: 2px; background: currentColor; }
  .header-actions { grid-column: 3; }
  .mobile-nav-panel:not([hidden]) { position: absolute; top: 100%; right: 0; left: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; padding: 10px var(--gutter) 15px; border-bottom: 1px solid #dfe7ef; background: #fff; box-shadow: 0 14px 26px rgba(14, 48, 84, .12); }
  .mobile-nav-panel a { display: flex; min-height: 48px; align-items: center; padding: 0 12px; border: 1px solid #e6edf3; color: var(--lws-navy); font-size: 15px; font-weight: 650; }
}
@media (max-width: 1024px) {
  :root { --header-height: 68px; --gutter: clamp(22px, 4vw, 42px); }
  .showcase-stage { height: auto; min-height: 0; aspect-ratio: 16 / 9; }
  .showcase-photo img { object-fit: contain; }
  .cover-copyright { right: 12px; bottom: 10px; display: block; padding: 4px 8px; font-size: 14px; }
}
@media (max-width: 768px) {
  :root { --header-height: 64px; --gutter: 18px; }
  .site-header { gap: 9px; padding: 0 14px; }
  .site-brand { gap: 6px; }
  .site-brand img { width: 31px; height: 31px; }
  .site-brand .brand-cn { font-size: 14px; }
  .site-brand .brand-separator { font-size: 12px; }
  .site-brand .brand-en { font-size: 10px; letter-spacing: .065em; }
  .menu-toggle { width: 44px; height: 44px; }
  .header-actions { gap: 7px; }
  .language-toggle { min-width: 40px; min-height: 40px; }
  .header-phone { gap: 5px; font-size: 10px; }
  .header-phone strong { font-size: 12px; }
  .mobile-nav-panel:not([hidden]) { grid-template-columns: repeat(2, minmax(0, 1fr)); padding: 9px 14px 13px; }
  .slide-footer { min-height: 66px; padding: 9px 12px; }
  .slide-arrow-button { width: 44px; height: 44px; font-size: 21px; }
  .slide-arrow-prev { left: 10px; }
  .slide-arrow-next { right: 10px; }
  .cover-copyright { right: 10px; bottom: 9px; padding: 4px 7px; font-size: 12px; }
  .slide-indexes { grid-template-columns: repeat(4, 42px); gap: 2px; }
  .slide-index { min-width: 42px; min-height: 44px; font-size: 12px; }
  .below-hero-brand { padding: 64px var(--gutter) 60px; }
  .below-brand-kicker { margin-bottom: 16px; font-size: 12px; }
  .below-hero-brand h1 { font-size: clamp(40px, 9vw, 56px); line-height: 1.2; }
  .below-brand-slogan { margin-bottom: 17px; font-size: clamp(22px, 5.5vw, 30px); }
  .below-brand-description { font-size: 16px; line-height: 1.85; }
  .below-brand-actions { gap: 9px; margin-top: 22px; }
  .below-brand-actions .button { min-height: 48px; padding: 0 14px; font-size: 14px; }
}
@media (max-width: 390px) {
  .site-brand .brand-en, .site-brand .brand-separator { display: none; }
  .header-phone > span { display: none; }
  .header-phone strong { font-size: 11px; letter-spacing: 0; }
  .slide-indexes { grid-template-columns: repeat(4, 40px); }
  .slide-index { min-width: 40px; }
}
@media (max-height: 500px) and (min-width: 1025px) {
  .showcase-stage { height: calc(100svh - var(--header-height) - 62px); min-height: 300px; }
}
@media (prefers-reduced-motion: reduce) {
  html.intro-armed { overflow: auto; }
  .intro-armed .brand-intro { display: none !important; }
  .showcase-photo img, .primary-nav a, .slide-arrow-button, .button { transition: none !important; }
}